M2.0 earthquake 11 km SSW of Mansfield, Washington
A magnitude 2.0 earthquake struck 11 km SSW of Mansfield, Washington on Tue, Sep 9, 1975, 5:56 AM PDT (12:56 UTC), 18 km (11 mi) below the surface.
A larger quake followed: M2.3 8 km ENE of Disautel, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.0 (md), micro
- Local time
- UTC
- 1975-09-09 12:56:04 UTC
- Depth
- 18.0 km (11.2 mi), shallow
- Epicenter
- 47.726° N, 119.716° W
- Region
- Washington
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 0.0 km horizontally, 0.0 km in depth
- Magnitude uncertainty
- ±0.03
- Depth from
- Operator assigned
- Station coverage gap
- 60°
- Stations used
- 9
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 4 in the 30 days before it.
After
- 1.731 km N of Leavenworth, Washington · 18641 days ago · -1 km deep · 71 km away
- 2.38 km ENE of Disautel, Washington · 18609 days ago · 0 km deep · 85 km away
- 2.42 km WNW of Entiat, Washington · 18607 days ago · 15 km deep · 40 km away
- 1.78 km S of Entiat, Washington · 18600 days ago · 3 km deep · 40 km away
- 1.715 km W of Entiat, Washington · 18588 days ago · 0 km deep · 52 km away
- 2.915 km WNW of Othello, Washington · 18582 days ago · 3 km deep · 97 km away
Before
- 2.512 km NNE of Creston, Washington · 18651 days ago · 8 km deep · 95 km away
- 2.16 km SW of Chelan Falls, Washington · 18651 days ago · 3 km deep · 25 km away
- 1.810 km W of Quincy, Washington · 18661 days ago · 14 km deep · 57 km away
- 1.75 km WSW of Entiat, Washington · 18671 days ago · 0 km deep · 43 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10861708. Read Tue, Sep 22, 2026, 11:12 AM UTC.